Hastelloy X Fasteners

Hastelloy X Fasteners are high-performance alloy fasteners known for their strength and heat resistance. They are made with a balanced mix of nickel, chromium, iron, and molybdenum, with cobalt for added toughness. The chemical composition includes 20.5–23.0% chromium, 17.0–20.0% iron, and 8.0–10.0% molybdenum. It has excellent mechanical properties with a tensile strength of 760 MPa, a yield strength of 350 MPa, and 40% elongation. Metracore Alloys, one of the trusted Hastelloy X fastener manufacturers in India, supplies fasteners with a density of 9.2 g/cm³ and a melting point of 1370 °C.

Hastelloy X Fasteners Manufacturers In India, Hastelloy X Fasteners, Hastelloy X Fasteners Manufacturers, Hastelloy X Fasteners Suppliers

We provide fasteners in sizes ranging from 3 mm to 200 mm and lengths ranging from M02 to M33. We designed it to provide stability under stress and offer a variety of options, including Hastelloy X bolts, nuts, screws, and washers. Their features include high resistance to oxidation, corrosion, and scaling at elevated temperatures, making them a reliable choice for harsh service conditions.

Hastelloy X fasteners are highly valued in industries that face extreme heat and corrosion. They are used in gas turbines and jet engines because they retain strength and resist oxidation even above 1000 °C. In chemical plants, these fasteners hold up against strong acids and aggressive chemicals, making them reliable in reactors and processing units. Power plants use them in boilers, heat exchangers, and pressure vessels where both heat and stress are constant. They are also common in furnace hardware and heat-treatment equipment because they do not crack or scale under repeated thermal cycles.

Hastelloy X Washers, Hastelloy X Bolts, Hastelloy X Screws, Hastelloy X Nuts

These fasteners are supplied in accordance with ASTM B572 requirements and include quality and compliance certifications. We use hardwood boxes, crates, and bubble wrap to protect them against damage during shipment. As reliable Hastelloy X fasteners suppliers, we deliver products tested for durability and performance, offering our customers long-lasting and dependable fastening solutions.

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Hastelloy X Fasteners Specification

Types of Hastelloy X Fasteners

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Technical Details of Hastelloy X Fasteners

Equivalent Grades of Hastelloy X Fasteners

STANDARD	WERKSTOFF NR.	UNS
Hastelloy X	2.4665	N06002

Chemical Composition of Hastelloy X Fasteners

Grade

.05 – .15

20.5 – 23.0

0.5 – 2.5

17.0 – 20.0

1.0 max

8.0 – 10.0

bal

0.04 max

0.03 max

1.0 max

0.2 – 1.0

0.50 max

Mechanical Properties of Hastelloy X Fasteners

Hastelloy Grade	Ultimate Tensile Strength, ksi(Mpa)	0.2% Yield Strength, ksi(Mpa)	Elongation, min
X	95(655)	35(240)	35.00%

Dimensions of Hastelloy X Bolts Fasteners

Nominal Size Of D	Diameter Of Body		ASTM A193 Head Thickness		ASTM A193 Flats Acro		ASTM A193 Corners Acro
	D (MAXIMUM)	D (MINIMUM)	H (MAXIMUM)	H (MINIMUM)	F (MAXIMUM)	F (MINIMUM)	C (MAXIMUM)	C (MINIMUM)
m10	10.00	9.78	6.63	6.17	17.00	15.73	18.48	17.77
m12	12.00	11.73	7.76	4.24	19.00	17.73	20.78	20.03
m14	14.00	13.73	9.09	8.51	22.00	20.67	24.25	23.35
m16	16.00	15.73	10.32	9.68	24.00	23.67	27.71	26.75
m20	20.00	19.67	12.88	12.12	30.00	29.16	34.64	32.95
m24	24.00	23.67	15.44	14.56	36.00	35.00	41.57	39.55
m30	30.00	29.67	19.48	17.92	46.00	45.00	53.12	50.85
m36	36.00	35.61	23.38	21.63	55.00	53.80	63.51	60.79
m42	42.00	41.38	26.97	25.03	65.00	62.90	75.06	71.71
m48	48.00	47.38	31.07	28.93	75.00	72.60	86.60	82.76
m56	56.00	55.26	36.2	33.80	85.00	82.20	98.15	93.71
m64	64.00	63.26	41.32	38.68	95.00	91.80	109.70	104.65
m72	72.00	71.26	46.45	43.55	105.00	101.40	121.24	115.60
m80	80.00	79.26	51.58	48.42	115.00	111.00	132.72	126.54
m90	90.00	89.13	57.74	54.26	130.00	125.50	150.11	143.07
m100	90.00	99.13	63.9	60.10	145.00	140.00	167.43	159.60

Hastelloy X Nuts Fasteners Dimensions

Nominal Size Of Thread Diameter		F			G		H
		Across Flats Width			Across Corners Width		Thickness Row
		Basic	Maximum	Minimum	Maximum	Minimum	Basic	Maximum	Minimum
1/4	.2500	7/16	.438	.428	.505	.488	7/32	.226	.212
5/16	.3125	1/2	.500	.489	.577	.557	17/64	.273	.258
3/8	.3750	9/16	.562	.551	.650	.628	21/64	.337	.479
7/16	.4375	11/16	.688	.675	.794	.768	3/8	.385	.365
1/2	.5000	3/4	.750	.736	.866	.840	7/16	.448	.427
9/16	.5625	7/8	.875	.861	1.010	.982	31/64	.496	.473
5/8	.6250	15/16	.938	.922	1.083	1.051	35/64	.559	.535
3/4	.7500	1-1/8	1.125	1.088	1.299	1.240	41/64	.665	.617
7/8	.8750	1-5/16	1.312	1.269	1.516	1.447	3/4	.776	.724
1	1.0000	1-1/2	1.500	1.450	1.732	1.653	55/64	.887	.831
1-1/8	1.1250	1-11/16	1.688	1.631	1.949	1.859	31/32	.999	.939
1-3/8	1.3750	2-1/16	2.062	1.994	2.382	2.273	1-11/64	1.206	1.138
1-1/2	1.500	2-1/4	2.250	2.175	2.598	2.480	1-9/32	1.ASTM A194 GR. 8	1.245
1-5/8	1.6250	2-7/16	2.438	2.356	2.815	2.686	1-25/64	1.429	1.353
1-3/4	1.7500	2-5/8	2.625	2.538	3.031	2.893	1-1/2	1.540	1.460
2	2.0000	3	3.000	2.900	3.464	3.306	1-23/32	1.763	1.675
2-1/4	2.2500	3-3/8	3.375	3.263	3.897	3.719	1-15/16	1.986	1.890
2-1/2	2.5000	3-3/4	3.750	3.625	4.330	4.133	2-5/32	2.209	2.105
2-3/4	2.7500	4-1/8	4.125	3.988	4.763	4.546	2-3/8	2.431	2.319

Hastelloy X Flat Washers Fasteners Dimensions

Bolt Size	USS			SAE
Bolt Size	ID (in.)	OD (in.)	Thickness	ID (in.)	OD (in.)	Thickness
5/32 (#8)	–	–	–	0.188	0.438	.036/.065
1/8 (#6)	–	–	–	0.156	0.375	.036/.065
7/32 (#12)	–	–	–	0.250	0.562	.051/.080
3/16 (#10)	0.250	0.560	.036/.065	0.220	0.500	.036/.065
1/4 (#14)	0.312	0.734	.051/.080	0.281	0.625	.051/.080
3/8	0.438	1.000	.064/.104	0.406	0.812	.051/.080
5/16	0.375	0.875	.064/.104	0.344	0.688	.051/.080
7/16	0.500	1.250	.064/.104	0.469	0.922	.051/.080
9/16	0.625	1.469	.086/.132	0.594	1.156	.074/.121
1/2	0.562	1.375	.086/.132	0.531	1.062	.074/.121
5/8	0.688	1.750	.108/.160	0.656	1.312	.074/.121
7/8	0.938	2.250	.136/.192	0.938	1.750	.108/.160
3/4	0.812	2.000	.122/.177	0.812	1.469	.108/.160
1	1.062	2.500	.136/.192	1.062	2.000	.108/.160
1 1/4	1.375	3.000	.136/.192	1.375	2.500	.136/.192
1 1/8	1.250	2.750	.136/.192	1.250	2.250	.108/.160
1 3/8	1.500	3.250	.153/.213	1.500	2.750	.136/.213
3	3.125	5.500	.249/.327	–	–	–
1 5/8	1.750	3.750	.153/.213	–	–	–
1 1/2	1.625	3.500	.153/.213	1.625	3.000	.153/.213
1 3/4	1.875	4.000	.153/.213	–	–	–
2	2.125	4.500	.153/.213	–	–	–
1 7/8	2.000	4.250	.153/.213	–	–	–
2 1/2	2.625	5.000	.210/.280	–	–	–
2 1/4	2.375	4.750	.320/.248	–	–	–
2 3/4	2.875	5.250	.228/.410S	–	–	–

Weight Chart Of Hastelloy X Fasteners

APPROX WEIGHT IN K.G. PER 1000 PIECE
Size	M10	M12	M16	M18	M20	M22	M24	M27	M30	M33	M36	M39	M42	M45	M48	M52	M56	M60	M64	M72
50	40.60	57.02	107.00	139.00	178.25	222.00	265.00	390.00	513.25	648.00	795.00	–	–	–	–	–	–	–	–	–
55	43.70	61.42	114.00	147.00	188.50	235.00	283.00	410.00	538.50	676.00	835.00	–	–	–	–	–	–	–	–	–
60	46.80	65.82	121.00	155.00	198.75	248.00	301.00	430.00	563.75	704.00	875.00	1087.00	–	–	–	–	–	–	–	–
65	49.90	70.22	128.00	163.00	209.00	261.00	319.00	450.00	589.00	732.00	915.00	1134.00	–	–	–	–	–	–	–	–
70	53.00	74.62	136.00	171.00	219.25	274.00	337.00	470.00	614.25	760.00	955.00	1181.00	1390.00	–	–	–	–	–	–	–
75	56.10	79.02	144.00	179.00	229.50	287.00	355.00	490.00	639.50	788.00	995.00	1228.00	1445.00	–	–	–	–	–	–	–
80	59.20	83.42	152.00	187.00	239.75	300.00	373.00	510.00	664.75	821.00	1035.00	1275.00	1500.00	1900.00	–	–	–	–	–	–
85	62.30	87.82	160.00	195.00	250.00	313.00	391.00	531.00	690.00	854.00	1075.00	1322.00	1555.00	1945.00	–	–	–	–	–	–
90	65.40	92.22	168.00	203.00	260.25	326.00	409.00	552.00	716.50	887.00	1115.00	1369.00	1610.00	1990.00	2220.00	–	–	–	–	–
95	68.50	96.62	176.00	211.00	270.50	339.00	427.00	573.00	743.00	920.00	1155.00	1416.00	1665.00	2035.00	2290.00	–	–	–	–	–
100	71.60	101.02	184.00	219.00	280.75	352.00	445.00	594.00	769.50	953.00	1195.00	1463.00	1720.00	2080.00	2360.00	2640.00	3400.00	–	–	–
110	77.80	110.00	200.00	237.00	301.25	377.00	481.00	636.00	824.75	1023.00	1250.00	1530.00	1824.00	2170.00	2500.00	2810.00	3590.00	4240.00	4910.00	–
120	84.00	119.00	216.00	253.00	321.75	402.00	517.00	678.00	880.00	1093.00	1330.00	1620.00	1928.00	2260.00	2640.00	2980.00	3780.00	4460.00	5160.00	6820.00
130	90.20	127.80	232.00	269.00	342.25	427.00	553.00	720.00	935.25	1163.00	1410.00	1710.00	2032.00	2350.00	2780.00	3150.00	3970.00	4680.00	5410.00	7130.00
140	96.40	136.60	248.00	285.00	362.75	452.00	589.00	762.00	990.25	1233.00	1490.00	1800.00	2136.00	2440.00	2920.00	3320.00	4160.00	4900.00	5660.00	7440.00
150	102.60	145.40	264.00	301.00	383.25	477.00	625.00	804.00	1045.75	1303.00	1570.00	1890.00	2240.00	2530.00	3060.00	3490.00	4350.00	5120.00	5910.00	7750.00
160	108.80	154.20	280.00	317.00	403.75	502.00	661.00	846.00	1101.00	1373.00	1650.00	1980.00	2344.00	2620.00	3200.00	3660.00	4540.00	5340.00	6160.00	8060.00
170	115.00	163.00	296.00	333.00	424.25	527.00	697.00	888.00	1156.25	1443.00	1730.00	2070.00	2448.00	2710.00	3340.00	3830.00	4730.00	5560.00	6410.00	8370.00
180	121.20	172.00	312.00	349.00	444.75	552.00	733.00	930.00	1211.50	1513.00	1810.00	2160.00	2552.00	2800.00	3480.00	4000.00	4920.00	5780.00	6660.00	8680.00
190	127.40	181.00	328.00	365.00	465.25	577.00	769.00	972.00	1266.75	1583.00	1890.00	2250.00	2656.00	2890.00	3620.00	4170.00	5110.00	6000.00	6910.00	8990.00
200	133.60	190.00	344.00	381.00	485.75	602.00	805.00	1014.00	1322.00	1653.00	1970.00	2340.00	2760.00	2980.00	3760.00	4340.00	5300.00	6220.00	7160.00	9300.00
210	139.80	199.00	360.00	397.00	506.25	627.00	841.00	1056.00	1377.25	1723.00	2050.00	2430.00	2864.00	3070.00	3900.00	4510.00	5490.00	6440.00	7410.00	9610.00
220	146.00	208.00	376.00	413.00	526.75	652.00	877.00	1098.00	1432.50	1793.00	2130.00	2520.00	2968.00	3160.00	4040.00	4680.00	5680.00	6660.00	7660.00	9920.00
230	152.20	217.00	392.00	429.00	547.25	677.00	913.00	1140.00	1487.75	1863.00	2210.00	2610.00	3072.00	3250.00	4180.00	4850.00	5870.00	6880.00	7910.00	10230.00
240	158.40	226.00	408.00	445.00	567.75	702.00	949.00	1182.00	1543.00	1933.00	2290.00	2700.00	3176.00	3340.00	4320.00	5020.00	6060.00	7100.00	8160.00	10540.00
250	164.60	235.00	424.00	461.00	588.25	727.00	985.00	1224.00	1598.25	2003.00	2370.00	2790.00	3280.00	3430.00	4460.00	5190.00	6250.00	7320.00	8410.00	10850.00
260	170.80	244.00	440.00	477.00	608.75	752.00	1021.00	1266.00	1653.50	2073.00	2450.00	2880.00	3384.00	3520.00	4600.00	5360.00	6440.00	7540.00	8660.00	11160.00
270	177.00	253.00	456.00	493.00	629.25	777.00	1057.00	1308.00	1708.75	2143.00	2530.00	2970.00	3488.00	3610.00	4740.00	5530.00	6630.00	7760.00	8910.00	11470.00
280	183.20	262.00	472.00	509.00	649.75	802.00	1093.00	1350.00	1764.00	2213.00	2610.00	3060.00	3592.00	3700.00	4880.00	5700.00	6820.00	7980.00	9160.00	11780.00
290	189.40	271.00	488.00	525.00	670.25	827.00	1129.00	1392.00	1819.25	2283.00	2690.00	3150.00	3696.00	3790.00	5020.00	5870.00	7010.00	8200.00	9410.00	12090.00
300	195.60	280.00	504.00	541.00	690.75	852.00	1165.00	1434.00	1874.50	2353.00	2770.00	3240.00	3800.00	3880.00	5160.00	6040.00	7200.00	8420.00	9660.00	12400.00
310	201.80	289.00	520.00	557.00	711.25	877.00	1201.00	1476.00	1929.75	2423.00	2850.00	3330.00	3904.00	3970.00	5300.00	6210.00	7390.00	8640.00	9910.00	12710.00
320	208.00	298.00	536.00	573.00	731.75	902.00	1237.00	1518.00	1985.00	2493.00	2930.00	3420.00	4008.00	4060.00	5440.00	6380.00	7580.00	8860.00	10160.00	13020.00
330	214.20	307.00	552.00	589.00	752.25	927.00	1273.00	1560.00	2040.25	2563.00	3010.00	3510.00	4112.00	4150.00	5580.00	6550.00	7770.00	9080.00	10410.00	13330.00
340	220.40	316.00	568.00	605.00	772.75	952.00	1309.00	1602.00	2095.50	2633.00	3090.00	3600.00	4216.00	4240.00	5720.00	6720.00	7960.00	9300.00	10660.00	13640.00
350	226.60	325.00	584.00	621.00	793.25	977.00	1345.00	1644.00	2150.75	2703.00	3170.00	3690.00	4320.00	4330.00	5860.00	6890.00	8150.00	9520.00	10910.00	13950.00
360	232.80	334.00	600.00	637.00	813.75	1002.00	1381.00	1686.00	2206.00	2773.00	3250.00	3780.00	4424.00	4420.00	6000.00	7060.00	8340.00	9740.00	11160.00	14260.00
370	239.00	343.00	616.00	653.00	834.25	1027.00	1417.00	1728.00	2261.25	2843.00	3330.00	3870.00	4528.00	4510.00	6140.00	7230.00	8530.00	9960.00	11410.00	14570.00
380	245.20	352.00	632.00	669.00	854.75	1052.00	1453.00	1770.00	2316.50	2913.00	3410.00	3960.00	4632.00	4600.00	6280.00	7400.00	8720.00	10180.00	11660.00	14880.00
390	251.40	361.00	648.00	685.00	875.25	1077.00	1489.00	1812.00	2371.75	2983.00	3490.00	4050.00	4736.00	4690.00	6420.00	7570.00	8910.00	10400.00	11910.00	15190.00
400	257.60	370.00	664.00	701.00	895.75	1102.00	1525.00	1854.00	2427.00	3053.00	3570.00	4140.00	4840.00	4780.00	6560.00	7740.00	9100.00	10620.00	12160.00	15500.00

Manufacturing Process of Hastelloy X Fasteners

Hastelloy X Fasteners Application

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